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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
#include <mapnik/feature_type_style.hpp>
namespace mapnik
{
static const char * filter_mode_strings[] = {
"all",
"first",
""
};
IMPLEMENT_ENUM( filter_mode_e, filter_mode_strings )
feature_type_style::feature_type_style()
: filter_mode_(FILTER_ALL),
scale_denom_validity_(-1) {}
feature_type_style::feature_type_style(feature_type_style const& rhs, bool deep_copy)
: filter_mode_(rhs.filter_mode_),
scale_denom_validity_(-1)
{
if (!deep_copy) {
rules_ = rhs.rules_;
} else {
rules::const_iterator it = rhs.rules_.begin(),
end = rhs.rules_.end();
for(; it != end; ++it) {
rules_.push_back(rule(*it, deep_copy));
}
}
}
feature_type_style& feature_type_style::operator=(feature_type_style const& rhs)
{
if (this == &rhs) return *this;
rules_=rhs.rules_;
scale_denom_validity_ = -1;
return *this;
}
void feature_type_style::add_rule(rule const& rule)
{
rules_.push_back(rule);
scale_denom_validity_ = -1;
}
rules const& feature_type_style::get_rules() const
{
return rules_;
}
rules &feature_type_style::get_rules_nonconst()
{
return rules_;
}
void feature_type_style::set_filter_mode(filter_mode_e mode)
{
filter_mode_ = mode;
}
filter_mode_e feature_type_style::get_filter_mode() const
{
return filter_mode_;
}
void feature_type_style::update_rule_cache(double scale_denom)
{
if_rules_.clear();
else_rules_.clear();
also_rules_.clear();
BOOST_FOREACH(rule const& r, rules_)
{
if (r.active(scale_denom))
{
if (r.has_else_filter())
{
else_rules_.push_back(const_cast<rule*>(&r));
}
else if (r.has_also_filter())
{
also_rules_.push_back(const_cast<rule*>(&r));
}
else
{
if_rules_.push_back(const_cast<rule*>(&r));
}
}
}
scale_denom_validity_ = scale_denom;
}
rule_ptrs const& feature_type_style::get_if_rules(double scale_denom)
{
if (scale_denom_validity_ != scale_denom)
{
update_rule_cache(scale_denom);
}
return if_rules_;
}
rule_ptrs const& feature_type_style::get_else_rules(double scale_denom)
{
if (scale_denom_validity_ != scale_denom)
{
update_rule_cache(scale_denom);
}
return else_rules_;
}
rule_ptrs const& feature_type_style::get_also_rules(double scale_denom)
{
if (scale_denom_validity_ != scale_denom)
{
update_rule_cache(scale_denom);
}
return also_rules_;
}
}
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